Tie them as reminders on your hands and bind them on your foreheads.
Here is, I. A brief summary of religion, containing the first principles of faith and obedience, Deu 6:4, Deu 6:5. These two verses the Jews reckon one of the choicest portions of scripture: they write it in their phylacteries, and think themselves not only obliged to say it at least twice every day, but very happy in being so obliged, having this saying among them...
Commenting on Deuteronomy 6:4-16
And thou shalt bind them for a sign upon thine hand,.... As a man ties anything to his hand for a token, that he may remember somewhat he is desirous of; though the Jews understand this literally, of binding a scroll of parchment, with this section and others written in it, upon their left hand, as the Targum of Jonathan here interprets the hand: and...
Deu 6:6-9 But for the love of God to be of the right kind, the commandments of God must be laid to heart, and be the constant subject of thought and conversation. “Upon thine heart:” i.e., the commandments of God were to be an affair of the heart, and not merely of the memory (cf. Deu 11:18).
Commenting on Deuteronomy 6:6-9